Webcam on the rim of Mauna Loa summit caldera shows the lava lake that started filling up few hours ago. Last #eruption at Mauna Loa was in 1984.

#USGS Mauna Loa #volcano webcams: https://www.usgs.gov/volcanoes/mauna-loa/webcams

Updated news on the unrest: https://www.usgs.gov/volcanoes/mauna-loa/volcano-updates

More info on Mauna Loa (USGS webdoc with many maps): https://geonarrative.usgs.gov/maunaloa/